CVE-2026-80621

A flaw was found in the Linux kernel's PCI DesignWare Cores DWC driver. When the controller lacks RAS DES capability, the dwcpcierasdesdebugfsinit function can incorrectly report success, leaving a pointer uninitialized. During debugfs teardown, the dwcpcierasdesdebugfsdeinit function then attemp...

CVE-2026-80621

CVE-2026-80621 is a NULL pointer dereference in the Linux kernel's PCI DesignWare (DWC) driver . When a PCIe controller lacks a RAS DES capability, dwc_pcie_rasdes_debugfs_init() returns success but leaves pci->debugfs->rasdes_info unset. The common debugfs teardown path then unconditionall...